Disposable casing for thermally insulated walls in reinforced concrete

ABSTRACT

A Disposable casing ( 1 ) is for thermally insulated walls in reinforced concrete. The casing ( 1 ) is provided with two main panels ( 2 ) which face each other and are limited towards the outside by respective lateral surfaces ( 2   e ), and with at least two casing spacers ( 3 ) which are interposed between the two main panels ( 2 ) in order to maintain the two main panels ( 2 ) at a determined distance from each other. At least one supplementary panel ( 5 ) is arranged against/abutting (a ridosso) the lateral surface ( 2   e ) of a respective main panel ( 2 ) and connecting elements ( 7 ) which are interposed between the supplementary panel ( 5 ) and the relative main panel ( 2 )in order to render the supplementary panel ( 5 ) and the relative main panel ( 2 ) integral with each other.

BACKGROUND OF THE INVENTION

The present invention refers to a disposable casing for thermallyinsulated walls in reinforced concrete.

In the field of the construction industry in general, disposable casingsfor thermally insulated walls in reinforced concrete are well-known,comprising two polystyrene panels which face each other and which arelimited from the outside by respective lateral surfaces, and at leasttwo casing spacers which are interposed between the two polystyrenepanels themselves at a determined distance from each other.

Casings of the kind which have been described above may be mutually andspeedily connected to each other in order to make up a structure, whichis suitable for receiving a jet of cement within its interior, and oncethe cement has set it is capable of guaranteeing, in a single solution,both the cement's capacity for mechanical resistance, as well as thepolystyrene's capacity for thermal insulation.

SUMMARY OF THE INVENTION

The aim of the present invention is to produce a disposable casing forthermally insulated walls in reinforced concrete which, while presentinga base structure of standard dimensions, will also permit the productionof different thermal insulation capacities.

According to the present invention a disposable casing for thermallyinsulated walls in reinforced concrete will be produced.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will now be described with reference to theattached drawings, which illustrate a non-limiting form of embodiment ofthe present invention, in which:

FIG. 1 is a perspective view of a first preferred form of embodiment ofa disposable casing for thermally insulated walls in reinforced concreteaccording to the present invention;

FIG. 2 is an exploded perspective view of the disposable casing which isshown in FIG. 1;

FIG. 3 is a perspective view of a third preferred form of embodiment ofa disposable casing for thermally insulating walls in reinforcedconcrete as illustrated in FIG. 1;

FIG. 4 is an exploded perspective view of the disposable casing which isshown in FIG. 3;

FIG. 5 is a perspective view of a third preferred form of embodiment ofa disposable casing for thermally insulated walls in reinforced concreteas shown in FIG. 1;

FIG. 6 is a perspective view of the disposable casing shown in FIG. 5 ina collapsed operating configuration;

FIG. 7 is a perspective view of a fourth preferred form of embodiment ofa disposable casing for thermally insulated walls in reinforced concreteas shown in FIG. 1; and

FIG. 8 is an exploded perspective view of the disposable casing which isshown in FIG. 7.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

With reference to FIGS. 1 and 2, the number 1 indicates a disposablecasing for thermally insulated walls in reinforced concrete in itsentirety.

The casing 1 presents an longer longitudinal axis A, and comprises twomain panels 2, which are made of polystyrene, presenting a standardthickness, and which are arranged facing and parallel to each other andto the axis A.

The term “standard thickness” is herein taken to mean the thicknesswhich is commonly adopted for this kind of panelling with, however, thedifference that, in the casing 1 which is the subject of the presentinvention, the two panels 2 might not present the same thickness forreasons which shall be explained in the following description.

The panels 2 are delimited towards the outside of the casing 1 byrespective lateral surfaces 2 e, while they are delimited towards theinside of the casing 1 by respective lateral surfaces 2 i which define acompartment 6 which is suitable for being filled with cement.

In addition, each panel 2 presents a preferably parallelepiped shape,and is further delimited by an upper surface 2 s and by a lower surface2 f, which are parallel to each other and which are transverse to therelative surfaces 2 i and 2 e.

In addition, the casing 1 comprises two or more casing spacers 3 whichin turn each comprise two respective intermediate slats 31, and twoanchoring portions 32, which are assembled, preferably but notnecessarily, by means of co-moulding with the panels 2, and which arearranged at opposite ends of each pair of slats 31. The anchoringportions 32 face the interior of the compartment 6, and may be rigidlyconnected to the relative slat 31 in such a way as to form a single bodytogether with the slat 31 itself as is illustrated in FIGS. 1 and 2, or,as is alternatively illustrated in FIGS. 3 and 4, may be provided withrespective pairs of coupling tracks 33 for rapid coupling with therelative slat 31 as well as to permit the “in situ” assembly of thecasing 1, or, as is alternatively illustrated in FIGS. 5 and 6, may beprovided with respective pairs of hinges 34 for relative rotation withthe relative slats 31 and to permit the collapse of the casing 1 itselfinto a transport configuration.

In addition, the casing 1 comprises a supplementary panel 5 which isarranged abutting an external lateral surface 2 e of a main panel 2 anda connecting component 7 which is interposed between the supplementarypanel 5 and the relative main panel 2 in order to render thesupplementary panel 5 and the relative main panel 2 themselves integralin relation to each other.

While the main panel 2 presents a standard thickness as has already beenspecified above, the supplementary panel 5 presents, instead, athickness which may be adapted on the building site to any installationdemands and as a means of increasing both the thermal insulationcapacity of the casing 1, as well as permitting the production ofvarious thermal insulation capacities.

According to a form of embodiment which is not illustrated, but which iseasily understandable from the description so far herein, the casing 1may also be provided with two supplementary panels 5 which are arrangedabutting the outer surfaces 2 e or the relative main panels 2 and suchsupplementary panel 5 may also have different thicknesses from eachother in accordance with the levels of thermal insulation which are tobe reached according to necessity.

In addition, the supplementary panel 5 may also be made of the samematerial as the main panels 2, as it may also be made of other materialswhich present different thermal insulation capacities.

The connecting component 7 comprises a number of shaped projections 71which are integral with the supplementary panel 5 and which are arrangedparallel to each other and transverse to the axis A, and, for eachshaped projection 71, a respective housing 72 with undercuts which areobtained through the outer surface 2 e of the relative main panel.Alternatively, the arrangement of the projections 71 and of the housings72 may be inverted in relation to what has just been described.

In particular, each shaped projection 71 is defined by a respectivedovetailed moulding which extends for an entire height of thesupplementary panel 5, while the relative housing 72 extends from asurface 2 s to a surface 2 f and presents a shape which is complementaryto the relative projection 71 and is such as to permit the connection ofthe panel 15 to the panel 2 by means of reciprocal sliding without anysuccessive consequent possibility whatsoever of detachment, or of anyseparation in a transverse direction of the surface 2 e.

The supplementary panels 6 which have been described above present theadvantage of being able to calibrate the thermal insulation capacity ofthe casing 1 directly on site and in accordance with local weather andclimate conditions without the need to vary the thickness of the mainpanels 2 with obvious positive consequences on the production costs ofthese products, as well as on the standardisation of the latter.

It is obvious from the foregoing description that in the case that thecasing 1 is provided with a single supplementary panel 5, the relativepanel 2 will present a thickness which is greater than the other panel 2in that it is able to contain the housings 72, while, whenever thecasing 1 is provided with two supplementary panels 5, both the panels 2can present the same thickness.

AS stated above, FIGS. 3 and 4, like FIGS. 5 and 6, illustrate differentconnection methods between the two panels 2 of the casing 1, which, inthe shape of its basic embodiment, provides for the use of spacers 3which are produced in a single piece, while in the alternative form ofembodiment which is shown in FIGS. 3 and 4 it provides for the use ofspacers which are detachable transverse to the axis A from therespective anchoring portions by means of the relative tracks 33permitting the supply of the casing 1 in an unassembled configuration,and in the alternative form of embodiment which is shown in FIGS. 5 and6 it provides for the use of spacers 3 in which, between the slats 31and the anchoring portions 32, hinges 33′ are arranged to permit thesupply of the casing 1 in a collapsed condition with the panels 2arranged one abutting the other.

FIGS. 7 and 8 illustrate a casing 1′ which is substantially similar tothe casing 1, from which the casing 1′ differs due to the fact that theconnecting component 7 is defined by a layer 7′ of adhesive materialwhich is interposed between the main panel 2 and the relativesupplementary panel 6 in such a way as to stick the latter to the formerin order to render them integral in relation to each other.

The layer 7′ may be used exclusively for the connection of asupplementary panel 5 to the relative secondary main panel 2, or,according to need, may also be used together with the projections 71which have been described above.

1. Disposable casing for thermally insulated walls in reinforcedconcrete, the casing comprising two main panels facing each other andlimited from the outside by respective lateral surfaces, and at leasttwo casing spacers interposed between the two main panels to maintainthe two main panels at a pre-determined distance from each other; thecasing comprising at least one supplementary panel arranged abutting thelateral surface of a respective main panel, and connecting meansinterposed between the supplementary panel and the relative main panelto render the supplementary panel and the main panel integral inrelation to each other.
 2. Disposable casing according to claim 1,wherein said two main panels have a standard thickness and saidsupplementary panel has a thickness adapted according to installationneeds.
 3. Disposable casing according to claim 1, comprising twosupplementary panels arranged abutting the lateral surfaces of said twomain panels.
 4. Disposable casing according to claim 1, wherein the mainpanel and the supplementary panel are made of the same material. 5.Disposable casing according to claim 1, wherein said connecting meanscomprise a plurality of shaped projections integral with the main panelor with the supplementary panel, and, for each shaped projection,respective undercuts obtained on an associated supplementary panel orthe main panel.
 6. Disposable casing according to claim 5, wherein saidshaped projections are defined by respective dovetailed moldingsextending an entire height of the main panel or the supplementary panel.7. Disposable casing according to claim 1, wherein said connecting meansare defined by a layer of adhesive material interposed between the mainpanel and an associated supplementary panel.
 8. Disposable casingaccording to claim 1, wherein said casing spacers are provided withrespective hinges to permit the collapse of the casing into a transportconfiguration.
 9. Disposable casing according to claim 1, wherein saidcasing spacers are provided with detachable elements to permit thesupply of the casing in an un-assembled configuration.
 10. Disposablecasing according to claim 4, wherein the main panel and thesupplementary panel are made of polystyrene.